Cremona's table of elliptic curves

1855 = 5 · 7 · 53

Field	Data	Notes
Atkin-Lehner	5+ 7+ 53+	Signs for the Atkin-Lehner involutions
Class	1855a	Isogeny class
Conductor	1855	Conductor
∏ cp	2	Product of Tamagawa factors cp
deg	440	Modular degree for the optimal curve
Δ	-236054315 = -1 · 5 · 75 · 532	Discriminant
Eigenvalues	0 -1 5+ 7+  5  1  3 -2	Hecke eigenvalues for primes up to 20
Equation	[0,-1,1,-21,747]	[a1,a2,a3,a4,a6]
Generators	[3:26:1]	Generators of the group modulo torsion
j	-1073741824/236054315	j-invariant
L	1.9565136964853	L(r)(E,1)/r!
Ω	1.4363048362893	Real period
R	0.68109277607807	Regulator
r	1	Rank of the group of rational points
S	1	(Analytic) order of Ш
t	1	Number of elements in the torsion subgroup
Twists	29680j1 118720i1 16695n1 9275b1	Quadratic twists by: -4 8 -3 5

Hecke Eigenvalues for elliptic curve 1855a1

a2	a3	a5	a7	a11	a13	a17	a19	a23	a29	a31	a37	a41	a43	a47	a53	a59	a61	a67	a71	a73	a79	a83	a89	a97
0	-1	+	+	5	1	3	-2	-4	-1	2	8	-8	-8	9	+	6	-12	-10	-8	-2	-11	-12	2	-13

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Quadratic twists for elliptic curve 1855a1

-4	8	-3	5	-7	53
29680j1	118720i1	16695n1	9275b1	12985b1	98315f1

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Data from Elliptic Curve Data by J. E. Cremona.
Design inspired by The Modular Forms Explorer by William Stein.

Part of Computational Number Theory
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